Inventor
BUSINGER KURT
US4 patents
Patents
4 patentsUS7590950B2Sep 15, 2009
Mobile lottery terminal including features facilitating use by visually impaired ticket agents
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US7028907B2Apr 18, 2006
Method and device for data input
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US7651030B2Jan 26, 2010
Method and device for data input
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US7576733B2Aug 18, 2009
Touch screen image setting frame
GTECH CORP7 citations64